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149073500 = 2253397751
BaseRepresentation
bin10001110001010…
…10111001011100
3101101111201101202
420320222321130
5301130323000
622443055032
73460050422
oct1070527134
9341451352
10149073500
117716a144
1241b11478
1324b66294
1415b27112
15d149dd5
hex8e2ae5c

149073500 has 48 divisors (see below), whose sum is σ = 326831232. Its totient is φ = 59400000.

The previous prime is 149073497. The next prime is 149073503. The reversal of 149073500 is 5370941.

149073500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (149073497) and next prime (149073503).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149073503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198125 + ... + 198875.

It is an arithmetic number, because the mean of its divisors is an integer number (6808984).

Almost surely, 2149073500 is an apocalyptic number.

149073500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149073500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163415616).

149073500 is an abundant number, since it is smaller than the sum of its proper divisors (177757732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149073500 is a wasteful number, since it uses less digits than its factorization.

149073500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167 (or 1155 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 149073500 is about 12209.5659218500. The cubic root of 149073500 is about 530.2330765529.

The spelling of 149073500 in words is "one hundred forty-nine million, seventy-three thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 397 500 751 794 1502 1588 1985 3004 3755 3970 7510 7940 9925 15020 18775 19850 37550 39700 49625 75100 93875 99250 187750 198500 298147 375500 596294 1192588 1490735 2981470 5962940 7453675 14907350 29814700 37268375 74536750 149073500